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LyraElizabethAdams

  • 2 years ago

Hi, I'm having trouble understanding how they found the missing sides to this figure (it's attached). Could you help me understand why the answer is 13/2? Thanks!

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  1. LyraElizabethAdams
    • 2 years ago
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  2. Moon_Wolf
    • 2 years ago
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    Well It Most Likely Has Something To Do With Multiplcation .. How Did You Get 6.2?

  3. LyraElizabethAdams
    • 2 years ago
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    I can't remember. This test is from a timed SAT test, so I just kind of rushed through it.

  4. Moon_Wolf
    • 2 years ago
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    Ok.. So If The Area Is A Fraction Then The Perimeter Is Probably Going To Be A Fraction.

  5. LyraElizabethAdams
    • 2 years ago
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    Oh, I remember . . . I assumed, that because the length of the side, that was 1, seemed longer than the piece that was missing from that same side . . . I thought that it must be less than one.

  6. sumanthy
    • 2 years ago
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    |dw:1335304978534:dw|

  7. sumanthy
    • 2 years ago
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    now area of big rectangle is 2*1=2

  8. sumanthy
    • 2 years ago
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    area of small rectangle you know the lenght as 1 but little height is taken as x 1*x=x now x+2=9/4

  9. sumanthy
    • 2 years ago
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    x=9/4-2=(9-8)/4 x=1/4

  10. sumanthy
    • 2 years ago
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    now perimeter is 2+1+1+1/4+1+1/4+1=6+1/2=13/2

  11. Moon_Wolf
    • 2 years ago
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    Ok Thank You Guys For All Yall's Help.

  12. LyraElizabethAdams
    • 2 years ago
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    Wow! Thanks so much, sumanthy! I really appreciate this!

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